
class Restaurant():
    def __init__(self,restaurant_name,cuisine_type):
        self.restaurant_name = restaurant_name
        self.cuisine_type = cuisine_type
        self.number_served = 0

    def read_number_served(self):
        print('the restaurant has served %s customers' % self.number_served)

    def set_number_served(self,number):
        self.number_served = number

    def increase_number_served(self,number):
        self.number_served += number

    def describe_restaurant(self):
        print('restaurant name : %s ,cuisine type : %s' % (self.restaurant_name,self.cuisine_type))

    def open_restaurant(self):
        print('%s restaurant is open' % self.restaurant_name)